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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.spark.streaming.ui
import java.net.URLEncoder
import java.nio.charset.StandardCharsets.UTF_8
import javax.servlet.http.HttpServletRequest
import scala.xml.Node
import org.apache.spark.ui.{PagedDataSource, PagedTable, UIUtils => SparkUIUtils}
private[ui] class StreamingPagedTable(
request: HttpServletRequest,
tableTag: String,
batches: Seq[BatchUIData],
basePath: String,
subPath: String,
batchInterval: Long) extends PagedTable[BatchUIData] {
private val(sortColumn, desc, pageSize) = getTableParameters(request, tableTag, "Batch Time")
private val parameterPath = s"$basePath/$subPath/?${getParameterOtherTable(request, tableTag)}"
private val encodedSortColumn = URLEncoder.encode(sortColumn, UTF_8.name())
private val firstFailureReason: Option[String] =
if (!tableTag.equals("waitingBatches")) {
getFirstFailureReason(batches)
} else {
None
}
/**
* Return the first failure reason if finding in the batches.
*/
private def getFirstFailureReason(batches: Seq[BatchUIData]): Option[String] = {
batches.flatMap(_.outputOperations.flatMap(_._2.failureReason)).headOption
}
private def getFirstFailureTableCell(batch: BatchUIData): Seq[Node] = {
val firstFailureReason = batch.outputOperations.flatMap(_._2.failureReason).headOption
firstFailureReason.map { failureReason =>
val failureReasonForUI = UIUtils.createOutputOperationFailureForUI(failureReason)
UIUtils.failureReasonCell(
failureReasonForUI, rowspan = 1, includeFirstLineInExpandDetails = false)
}.getOrElse(